Characters
雙 射
雙射
CEDict 100318
Traditional 雙射 Simplified 双射
Pinyin shuang1 she4
English bijection ; one-to-one map ( math .)
雙射
CC-CEDict 200217
Traditional 雙射 Simplified 双射
Pinyin shuang1 she4
English bijection ( math .)
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